apport information ** Attachment added: "Lsusb.txt" https://bugs.launchpad.net/bugs/1881644/+attachment/5379887/+files/Lsusb.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1881644 Title: 20.04 i915 laptop external monitor doesn't resume from power-save, must open lid to turn it on Status in linux package in Ubuntu: Confirmed Bug description: Dell 5520 laptop -> Dell Thunderbolt dock -> HDMI -> external monitor. Running 20.04, i915 driver. Laptop lid closed, using external monitor only. When external monitor turns off (after sleep-display-ac), keyboard/mouse activity should turn it back on, but do not. Opening and closing the laptop lid does turn the external monitor back on. Laptop is not suspended; I can ssh in from another machine. Happy to collect any additional information. To reproduce: - On Dell 5520 laptop connected to Dell Thunderbolt dock connected to external monitor via HDMI - Close laptop lid - Use external monitor, external keyboard, external mouse - Leave system idle for "sleep-display-ac" time - System puts external monitor in power-save mode - Move mouse, type on keyboard - No response, external monitor remains in power-save mode - Open laptop lid - External monitor turns on - Close laptop lid - External monitor remains on, I'm able to work as usual --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: bjorn 1993 F.... pulseaudio /dev/snd/controlC1: bjorn 1993 F.... pulseaudio /dev/snd/controlC0: bjorn 1993 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: X-Cinnamon DistroRelease: Ubuntu 20.04 HibernationDevice: RESUME=UUID=39f2962e-3115-438f-a447-03558db08edb InstallationDate: Installed on 2018-06-08 (725 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) MachineType: Dell Inc. Precision 5520 Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-31-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash nouveau.runpm=0 vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34 RelatedPackageVersions: linux-restricted-modules-5.4.0-31-generic N/A linux-backports-modules-5.4.0-31-generic N/A linux-firmware 1.187 Tags: focal Uname: Linux 5.4.0-31-generic x86_64 UpgradeStatus: Upgraded to focal on 2020-04-29 (34 days ago) UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/17/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.18.0 dmi.board.name: 0R6JFH dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.asset.tag: 1203147 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.18.0:bd11/17/2019:svnDellInc.:pnPrecision5520:pvr:rvnDellInc.:rn0R6JFH:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Precision dmi.product.name: Precision 5520 dmi.product.sku: 07BF dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881644/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp